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2002 Toyota Corolla

Tiny
AMOISESM
  • MEMBER
  • 2002 TOYOTA COROLLA
Engine Mechanical problem
2002 Toyota Corolla 4 cyl Manual 80000 miles

i got a problem the car doesnt stop to comes out smoke when I start it. The odb reads p0172 and p0300 I know that the 172 is possibly caused by the p0300 but I dont have any idea how to repair it?Please can you explain me what I should check or what could be the problem the spark plugs or wires, the injectors, the EGR valve or Rail of injectors--i dont know i'm just guessing.
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Thursday, February 26th, 2009 AT 6:24 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Start by changing the plugs, use NGK or Denso Iridium, coat threads with dab of antisieze and use dielectric grease on boot to plug connection.
Torque to spec, as these plugs have a crush washer and can become loose if not torqued properly.

More info in this thread:

https://www.2carpros.com/forum/2005-toyota-corolla-code-p0171-vt264694.html
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Friday, February 27th, 2009 AT 7:23 AM

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